# PTES Prototype Ground and Software Development

**R-2A activity** of project 643726 — PTW Over WGS  
**Program element:** 1206760SF — Protected Tactical Enterprise Service (PTES)  
**Component:** U.S. Space Force · **Budget Activity:** 4  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/programs/1206760SF/643726/a0  
**Parent:** https://hitchintel.com/programs/1206760SF/643726

## Summary

This activity requests $58.4M in FY2027, 79% of project 643726, up 71% on FY2026. The R-2A exhibit describes it across FY2026–FY2027, including what the FY2027 money is planned to buy.

## What the FY2027 request buys

**FY2027 planned work.** Continue development of software focused on initial capability delivery and develop fixes for discrepancies identified in test and evaluation activities in order to achieve IOC. Continue development to FOC delivery. Implement system resiliency, cyber resiliency, and crypto standards necessary to operate in the contested space and cyber domains.

**FY2026 to FY2027 change.** Increase due to continued software development to deliver the initial prototype, increased support required through test and evaluation activities, and implementation of system resiliency, cyber resiliency, and crypto standards.

## Before the request year

**FY2026 plans — current year.** Continue development of software focused on initial capability delivery and develop fixes for discrepancies identified in test and evaluation activities. Implement system resiliency, cyber resiliency, and crypto standards necessary to operate in the contested space and cyber domains.

## Funding

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 15.5 |
| FY2026 | Enacted | 34.0 |
| FY2027 | Request | 58.4 |

> Prior, current and budget year only — an R-2A activity carries no five-year plan. It sums exactly into its project in the request year and not necessarily in any other.

## Other activities in project 643726

- [PTES System Development Baseline, Integration, and Test](https://hitchintel.com/programs/1206760SF/643726/a1) — FY2027 15.6

## Source & machine access

- **Source:** FY2027 Department of the Air Force RDT&E Budget Justification, Exhibit R-2A, PE 1206760SF project 643726 (PB PB2027). Narrative is the government's own text.
- **No marks, no contractors at this grain** — congressional marks land on the program element and R-3 performers on the project.
- **MCP:** `mcp.hitchintel.com` — `budget_get_activity`.

*HitchAI is an independent intelligence service, not affiliated with the U.S. Department of Defense. Budget figures are requests/estimates, not obligations.*